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2017, Volume 18, Issue 10

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Frontiers of Information Technology & Electronic Engineering >> 2017, Volume 18, Issue 10 doi: 10.1631/FITEE.1601585

Jointly optimized congestion control, forwarding strategy, and link scheduling in a named-data multihop wireless network

Affiliation(s): State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China; Beijing Advanced Innovation Center for Future Internet Technology, Beijing University of Technology, Beijing 100124, China; less

Received: 2016-09-27 Accepted: 2017-12-04 Available online: 2017-12-04
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Abstract

As a promising future network architecture, named data networking (NDN) has been widely considered as a very appropriate network protocol for the (MWN). In named-data MWNs, is a critical issue. Independent optimization for may cause severe performance degradation if it can not cooperate well with protocols in other layers. Cross-layer is a potential method to enhance performance. There have been many cross-layer mechanisms for MWN with Internet Protocol (IP). However, these cross-layer mechanisms for MWNs with IP are not applicable to named-data MWNs because the communication characteristics of NDN are different from those of IP. In this paper, we study the joint , forwarding strategy, and link scheduling problem for named-data MWNs. The problem is modeled as a network utility maximization (NUM) problem. Based on the approximate subgradient algorithm, we propose an algorithm called ‘jointly optimized , forwarding strategy, and link scheduling (JOCFS)’ to solve the NUM problem distributively and iteratively. To the best of our knowledge, our proposal is the first cross-layer mechanism for named-data MWNs. By comparison with the existing mechanism, JOCFS can achieve a better performance in terms of network throughput, fairness, and the pending interest table (PIT) size.

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